FLOAT32 CFrmPerlin::Turbulence1( const FLOAT32 x, FLOAT32 fFreq )
{
FLOAT32 t = 0.0f;
do
{
t += Noise1(fFreq * x) / fFreq;
fFreq *= 0.5f;
} while (fFreq >= 1.0f);
return t;
}
float GNoise::Noise(float vec[], int len)
{
switch (len)
{
case 0:
return 0.;
case 1:
return Noise1(vec[0]);
case 2:
return Noise2(vec);
default:
return Noise3(vec);
}
}
FLOAT32 CFrmPerlin::TileableNoise1(const FLOAT32 x, const FLOAT32 w)
{
return( Noise1( x ) * ( w - x ) +
Noise1( x - w ) * x ) / w;
}
